средње

In a sentence

• Ово питање је средње тешко.

  This question is of medium difficulty.

  Here, 'средње' is used as an adverb indicating a level of difficulty.

• Имам средње образовање.

  I have a secondary education.

  In this sentence, 'средње' functions as an adjective describing the noun 'образовање' (education).

• Стојим на средње месту у реду.

  I am standing in a middle position in the line.

  Here, 'средње' describes the position as being in the middle, functioning as an adjective modifying 'месту' (position).